Update dependency webpack-cli to v3.3.0 (reactjs#759)

Author: renovate[bot]

src/React.Core/package-lock.json

@@ -15,6 +15,6 @@
     "react": "16.8.4",
     "react-dom": "16.8.4",
     "webpack": "4.29.6",
-    "webpack-cli": "3.2.3"
+    "webpack-cli": "3.3.0"
   }
 }